Home / 2,905.44-4,009.51-1,579.14

Finding the Fourth Proportional to 2,905.44, 4,009.51 and 1,579.14

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Solution

The fourth proportional to 2,905.44, 4,009.51 and 1,579.14 is: 2,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.44 : 4,009.51 = 1,579.14 : x
  2. Step 2: Convert to fraction form
    2,905.44/4,009.51 = 1,579.14/x
  3. Step 3: Cross multiply
    2,905.44x = 4,009.51 × 1,579.14
  4. Step 4: Simplify right side
    2,905.44x = 6,331,573.67
  5. Step 5: Solve for x
    x = 6,331,573.67/2,905.44
  6. Step 6: Final answer
    x = 2,179.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.